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Thread: Majority circuit

  1. #1 Majority circuit 
    New Member
    Join Date
    Jun 2006
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    3
    I have no idea how to construct a majority circuit, which has three inputs. The output is 1 if and only if two or three of the inputs are 1. I know i can simplify the design by using multi-input AND and OR gates. But I dont know how to contruct it!


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  3. #2  
    Forum Freshman
    Join Date
    Jul 2006
    Posts
    5
    The easiest way to see this is probably just to look at the karnaugh map

    0010
    0111

    which reduces to xy+xz+yz and gives you a nice two level circuit (with a three input OR)


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